<!DOCTYPE html>
<html>
<head>
    <title>文字阴影</title>
    <style>
        h3{
            text-shadow: 9px 4px 2px rgba(0, 0, 0, .3);
        }
    </style>
</head>
<h3>欲穷千里目</h3>
<h3>更上一层楼</h3>
</html>